[ARM] mmp: support ssp in pxa168

Support ssp devices in PXA168. PXA168 could reuse the code of PXA SSP.

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
diff --git a/arch/arm/plat-pxa/include/plat/ssp.h b/arch/arm/plat-pxa/include/plat/ssp.h
index 74f70c7..d16d79a 100644
--- a/arch/arm/plat-pxa/include/plat/ssp.h
+++ b/arch/arm/plat-pxa/include/plat/ssp.h
@@ -138,6 +138,7 @@
 	PXA25x_SSP,  /* pxa 210, 250, 255, 26x */
 	PXA25x_NSSP, /* pxa 255, 26x (including ASSP) */
 	PXA27x_SSP,
+	PXA168_SSP,
 };
 
 struct ssp_device {
diff --git a/arch/arm/plat-pxa/ssp.c b/arch/arm/plat-pxa/ssp.c
index 5fe2301..cfebcd8 100644
--- a/arch/arm/plat-pxa/ssp.c
+++ b/arch/arm/plat-pxa/ssp.c
@@ -192,6 +192,7 @@
 	{ "pxa25x-ssp",		PXA25x_SSP },
 	{ "pxa25x-nssp",	PXA25x_NSSP },
 	{ "pxa27x-ssp",		PXA27x_SSP },
+	{ "pxa168-ssp",		PXA168_SSP },
 	{ },
 };